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2008 ToT Spring Junior O P1 equal segments , convex hexagon related

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February 26, 2020
geometryhexagonequal segments

Problem Statement

In the convex hexagon ABCDEF,AB,BCABCDEF, AB, BC and CDCD are respectively parallel to DE,EFDE, EF and FAFA. If AB=DEAB = DE, prove that BC=EFBC = EF and CD=FACD = FA.